Unlike some pitchers, whose mechanics can differ from pitch to pitch, Gio Gonzalez confounds batters by throwing all four of his pitches — curve, changeup and two- and four-seam fastball — with nearly identical arm motion and position.

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Comments our editors find particularly useful or relevant are displayed in Top Comments, as are comments by users with these badges: . Replies to those posts appear here, as well as posts by staff writers.